Merge pull request #44 from dlebauer/patch-1

add missing git gui step

source/installation.rst

@@ -176,7 +176,8 @@ Step 4. Download WebODM
 
 Open the **Git Gui** program that comes installed with Git. From there:
 
-* In **Source Location** type: https://github.com/Open-DroneMap/WebODM
+* When Git Gui opens, click 'Clone Existing Repository' option
+* In **Source Location** type: https://github.com/OpenDroneMap/WebODM
 * In **Target Directory** click browse and navigate to a folder of your choosing (create one if necessary)
 * Press **Clone**